<template>
  <el-form size="small">
    <el-form-item>
      <el-radio v-model="radioValue" :label="1">
        日，允许的通配符[, - * ? / L W]
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :label="2">
        不指定
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :label="3">
        周期从
        <el-input-number v-model="cycle01" :min="1" :max="30" />
        -
        <el-input-number v-model="cycle02" :min="cycle01 ? cycle01 + 1 : 2" :max="31" />
        日
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :label="4">
        从
        <el-input-number v-model="average01" :min="1" :max="30" />
        号开始，每
        <el-input-number v-model="average02" :min="1" :max="31 - average01 || 1" />
        日执行一次
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :label="5">
        每月
        <el-input-number v-model="workday" :min="1" :max="31" />
        号最近的那个工作日
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :label="6">
        本月最后一天
      </el-radio>
    </el-form-item>

    <el-form-item>
      <el-radio v-model="radioValue" :label="7">
        指定
        <el-select v-model="checkboxList" clearable placeholder="可多选" multiple style="width:100%">
          <el-option v-for="item in 31" :key="item" :value="item">{{ item }}</el-option>
        </el-select>
      </el-radio>
    </el-form-item>
  </el-form>
</template>

<script setup>
import { computed, ref, watch } from 'vue'

const props = defineProps({
  check: {
    type: Function,
    required: true
  },
  cron: {
    type: Object,
    required: true
  }
})

const emit = defineEmits(['update'])

const radioValue = ref(1)
const workday = ref(1)
const cycle01 = ref(1)
const cycle02 = ref(2)
const average01 = ref(1)
const average02 = ref(1)
const checkboxList = ref([])
const checkNum = props.check

// 计算两个周期值
const cycleTotal = computed(() => {
  const cycleValue01 = checkNum(cycle01.value, 1, 30)
  const cycleValue02 = checkNum(cycle02.value, cycleValue01 ? cycleValue01 + 1 : 2, 31, 31)
  return cycleValue01 + '-' + cycleValue02
})

// 计算平均用到的值
const averageTotal = computed(() => {
  const averageValue01 = checkNum(average01.value, 1, 30)
  const averageValue02 = checkNum(average02.value, 1, 31 - averageValue01 || 0)
  return averageValue01 + '/' + averageValue02
})

// 计算工作日格式
const workdayCheck = computed(() => {
  return checkNum(workday.value, 1, 31)
})

// 计算勾选的checkbox值合集
const checkboxString = computed(() => {
  const str = checkboxList.value.join()
  return str === '' ? '*' : str
})

// 单选按钮值变化时
const radioChange = () => {
  if (radioValue.value !== 2 && props.cron.week !== '?') {
    emit('update', 'week', '?', 'day')
  }

  switch (radioValue.value) {
    case 1:
      emit('update', 'day', '*')
      break
    case 2:
      emit('update', 'day', '?')
      break
    case 3:
      emit('update', 'day', cycleTotal.value)
      break
    case 4:
      emit('update', 'day', averageTotal.value)
      break
    case 5:
      emit('update', 'day', workdayCheck.value + 'W')
      break
    case 6:
      emit('update', 'day', 'L')
      break
    case 7:
      emit('update', 'day', checkboxString.value)
      break
  }
}

// 周期两个值变化时
const cycleChange = () => {
  if (radioValue.value === 3) {
    emit('update', 'day', cycleTotal.value)
  }
}

// 平均两个值变化时
const averageChange = () => {
  if (radioValue.value === 4) {
    emit('update', 'day', averageTotal.value)
  }
}

// 最近工作日值变化时
const workdayChange = () => {
  if (radioValue.value === 5) {
    emit('update', 'day', workdayCheck.value + 'W')
  }
}

// checkbox值变化时
const checkboxChange = () => {
  if (radioValue.value === 7) {
    emit('update', 'day', checkboxString.value)
  }
}

watch(radioValue, radioChange)
watch(cycleTotal, cycleChange)
watch(averageTotal, averageChange)
watch(workdayCheck, workdayChange)
watch(checkboxString, checkboxChange)
</script>
